Richtextbox coloring when flashing, cursor has been from the beginning to the last, the solution

The phenomenon of video

Two rich text, the above is the template, the following is the input, each input one character at a time, to judge, if the character is the same for the blue, or red, then the cursor to the last text input box automatically,

CodePudding user response:

In the baidu knows well, I found the solution, the original links: https://zhidao.baidu.com/question/459641270.html

This is my own conclusion: http://www.zhating.cn/index.php/post/258.html